My @Quora answer to Does moving from PHP! To a WordPress platform affect our website's ranking in Google?
Answer by Web Brain InfoTech:
Ofcorse Not !!
This will give your website extra boost rather than harming. First of all WordPress has superb selection of THEMES and the another one is it has set of best Online Marketing, Design and Development plugins.
It is very easy to use, update and manage. Overall It is best at the time.